Table 5. Number of private sector establishments by age Total Private Pennsylvania Age Class March 1991 March 1992 March 1993 March 1994 March 1995 March 1996 Less than one year _ _ _ 18,929 17,892 18,994 1 year _ _ _ _ 15,912 14,502 2 years _ _ _ _ _ 13,909 3 years _ _ _ _ _ _ 4 years _ _ _ _ _ _ 5 years _ _ _ _ _ _ 6 years _ _ _ _ _ _ 7 years _ _ _ _ _ _ 8 years _ _ _ _ _ _ 9 years _ _ _ _ _ _ 10 years _ _ _ _ _ _ 11 years _ _ _ _ _ _ 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ 19 years _ _ _ _ _ _ 20 years _ _ _ _ _ _ 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 219,349 224,693 227,118 208,472 197,566 184,752 Total 219,349 224,693 227,118 227,401 231,370 232,157 Age Class March 1997 March 1998 March 1999 March 2000 March 2001 March 2002 Less than one year 21,997 23,943 21,033 24,061 22,063 23,948 1 year 15,753 17,967 19,926 17,362 19,990 16,861 2 years 12,658 13,818 15,876 17,576 15,348 17,455 3 years 12,601 11,349 12,372 14,367 15,948 13,676 4 years _ 11,437 10,328 11,333 13,196 14,507 5 years _ _ 10,502 9,516 10,533 12,149 6 years _ _ _ 9,826 8,842 9,746 7 years _ _ _ _ 9,204 8,159 8 years _ _ _ _ _ 8,696 9 years _ _ _ _ _ _ 10 years _ _ _ _ _ _ 11 years _ _ _ _ _ _ 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ 19 years _ _ _ _ _ _ 20 years _ _ _ _ _ _ 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 173,599 164,348 154,952 147,629 141,233 135,221 Total 236,608 242,862 244,989 251,670 256,357 260,418 Age Class March 2003 March 2004 March 2005 March 2006 March 2007 March 2008 Less than one year 20,630 20,027 22,231 23,325 21,175 21,105 1 year 19,132 16,657 16,414 18,846 18,929 16,805 2 years 14,674 16,748 15,054 15,322 16,726 16,633 3 years 15,604 13,425 15,427 14,161 13,884 14,987 4 years 12,664 14,579 12,540 14,693 13,097 12,543 5 years 13,367 11,767 13,770 11,890 13,605 12,067 6 years 11,223 12,536 11,154 13,166 11,180 12,732 7 years 9,049 10,581 12,117 10,730 12,481 10,386 8 years 7,629 8,601 9,990 11,768 10,167 11,705 9 years 8,157 7,245 8,397 9,681 11,226 9,602 10 years _ 7,743 6,864 8,026 9,253 10,690 11 years _ _ 7,416 6,607 7,714 8,807 12 years _ _ _ 7,145 6,347 7,396 13 years _ _ _ _ 6,904 6,052 14 years _ _ _ _ _ 6,630 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ 19 years _ _ _ _ _ _ 20 years _ _ _ _ _ _ 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 129,812 125,083 121,339 118,520 115,083 111,840 Total 261,941 264,992 272,713 283,880 287,771 289,980 Age Class March 2009 March 2010 March 2011 March 2012 March 2013 March 2014 Less than one year 20,314 19,478 20,718 23,738 22,810 21,160 1 year 16,790 16,386 15,992 16,259 17,832 17,563 2 years 14,737 14,604 14,646 13,727 13,618 15,066 3 years 14,748 13,134 13,245 12,897 11,705 11,893 4 years 13,546 13,428 12,063 12,053 11,206 10,558 5 years 11,548 12,385 12,408 10,970 10,647 10,158 6 years 11,137 10,671 11,621 11,358 9,826 9,837 7 years 11,877 10,441 10,021 10,843 10,143 9,147 8 years 9,632 11,181 9,861 9,426 9,877 9,370 9 years 11,006 9,127 10,747 9,293 8,679 9,259 10 years 9,045 10,511 8,743 10,219 8,646 8,211 11 years 10,104 8,621 10,050 8,328 9,519 8,243 12 years 8,329 9,666 8,299 9,648 7,788 9,059 13 years 7,113 7,977 9,366 7,974 9,120 7,465 14 years 5,759 6,863 7,683 8,990 7,524 8,789 15 years 6,338 5,458 6,566 7,398 8,543 7,169 16 years _ 6,097 5,295 6,357 7,092 8,295 17 years _ _ 5,929 5,134 6,040 6,792 18 years _ _ _ 5,716 4,928 5,851 19 years _ _ _ _ 5,428 4,745 20 years _ _ _ _ _ 5,238 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 108,056 104,902 102,195 99,309 95,032 92,610 Total 290,079 290,930 295,448 299,637 296,003 296,478 Age Class March 2015 March 2016 March 2017 March 2018 March 2019 March 2020 Less than one year 21,696 22,272 21,603 21,436 21,578 21,339 1 year 16,923 17,356 17,816 17,414 17,133 17,030 2 years 15,274 14,797 15,203 15,466 15,273 14,705 3 years 13,277 13,710 13,278 13,540 13,775 13,456 4 years 10,726 12,071 12,355 12,021 12,237 12,205 5 years 9,612 9,786 10,984 11,310 10,946 10,969 6 years 9,271 8,936 8,933 10,130 10,463 9,929 7 years 9,135 8,604 8,297 8,239 9,307 9,514 8 years 8,473 8,595 8,120 7,691 7,662 8,581 9 years 8,769 8,019 8,054 7,597 7,161 6,963 10 years 8,773 8,239 7,572 7,579 7,132 6,557 11 years 7,733 8,326 7,786 7,173 7,159 6,592 12 years 7,886 7,406 7,907 7,376 6,749 6,707 13 years 8,717 7,580 7,031 7,569 6,970 6,354 14 years 7,128 8,437 7,249 6,719 7,186 6,563 15 years 8,415 6,893 8,099 6,932 6,380 6,835 16 years 6,854 8,095 6,615 7,800 6,643 6,027 17 years 7,963 6,604 7,808 6,314 7,514 6,318 18 years 6,590 7,712 6,333 7,505 6,043 7,110 19 years 5,651 6,387 7,401 6,056 7,206 5,744 20 years 4,603 5,409 6,217 7,208 5,793 6,883 21 years 5,033 4,448 5,227 5,991 6,932 5,517 22 years _ 4,913 4,265 5,037 5,759 6,591 23 years _ _ 4,742 4,152 4,845 5,445 24 years _ _ _ 4,595 3,974 4,579 25 years _ _ _ _ 4,429 3,826 26 years _ _ _ _ _ 4,206 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 89,978 87,447 84,843 82,167 79,668 76,572 Total 298,480 302,042 303,738 305,017 305,917 303,117 Age Class March 2021 March 2022 March 2023 March 2024 Less than one year 24,595 31,966 29,483 28,538 1 year 17,785 19,851 25,405 23,289 2 years 15,476 16,280 17,241 21,623 3 years 13,524 14,342 14,730 15,201 4 years 12,364 12,691 13,244 13,322 5 years 11,404 11,736 11,710 12,085 6 years 10,208 10,898 10,882 10,759 7 years 9,254 9,718 10,163 10,100 8 years 8,901 8,805 9,049 9,421 9 years 8,108 8,580 8,254 8,442 10 years 6,566 7,775 7,987 7,817 11 years 6,220 6,309 7,272 7,523 12 years 6,219 6,004 5,899 6,847 13 years 6,352 6,050 5,675 5,555 14 years 5,978 6,138 5,701 5,344 15 years 6,216 5,812 5,836 5,397 16 years 6,488 6,042 5,550 5,540 17 years 5,781 6,291 5,745 5,258 18 years 6,051 5,619 5,981 5,499 19 years 6,791 5,983 5,416 5,774 20 years 5,548 6,605 5,697 5,128 21 years 6,610 5,521 6,342 5,417 22 years 5,236 6,544 5,294 6,067 23 years 6,314 5,098 6,285 5,011 24 years 5,178 6,281 5,009 5,978 25 years 4,294 5,145 6,085 4,773 26 years 3,639 4,220 4,963 5,808 27 years 3,999 3,576 4,061 4,789 28 years _ 3,921 3,438 3,925 29 years _ _ 3,775 3,295 30 years _ _ _ 3,622 Born before March 1993 73,143 72,635 70,605 68,429 Total 308,242 326,436 332,777 335,576 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.